GE Vernova's Ontario SMR Faces Higher Costs and a Likely Delay
Ontario Power Generation warned that the GE Vernova Hitachi reactor in Ontario will cost more and may miss its start date, Stocktwits reports.
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what happened
Ontario Power Generation, the provincial state-run utility overseeing the small modular reactor (SMR) project, says the Ontario unit will exceed its original budget and will probably miss its October 2030 start date. It points to ongoing engineering changes to the design and supply chain disruptions. A GE Vernova representative told Barron's the company is working through the issues, which may include inflation and geopolitical risks.
Before the latest announcements, the 300-megawatt unit was estimated at about $5.4 billion, with roughly $4.3 billion earmarked for the reactor itself. Counting only the direct cost of that single unit, the price exceeds $14,000 per kilowatt, versus about $2,500 per kilowatt for a new gas plant.
why it matters
For markets, the update suggests small modular reactors remain far more expensive than gas-fired alternatives, which could cool investor appetite for next-generation nuclear names such as Oklo, X-Energy and NuScale Power. Stocktwits data shows GEV shares up about 22.5% year to date.
market impact
GE Vernova and SMR developers: higher costs and delays weigh on sentiment for small reactor projects
- GE Vernova pressure down — cost overruns and delays undermine the economics of its SMR business
tags
instruments
sources
- GE Vernova’s Ontario Nuclear Plant Is Facing Delays And Rising Costs — Stocktwits, 11 November 2026 at 23:26 UTC
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